. 2012 Nov 4;5(1):52–64. doi: 10.5539/gjhs.v5n1p52

Table 2.

Structural determinants related to preterm delivery in Iranian studies from 2000 to 2010

Author, Year, (Reference No.)	Study type	n	Risk Factor
Jandaghi et al., 2011	Cross-Sectional	10913	Occupation^#
			Educational degree^#
			Socioeconomic status^•
Mirzaie and Mohammah-Alizadeh, 2007	Descriptive	988	Occupation^#
Mirzaie and Mohammah-Alizadeh, 2007	Descriptive	988	Educational degree^#
Sehati shafaie et al., 2010	Descriptive	960	Occupation ^#
Sehati shafaie et al., 2010	Descriptive	960	Educational degree^•
Lotf Alizadeh et al., 2005	Case-Control	600	Occupation ^•
Lotf Alizadeh et al., 2005	Case-Control	600	Socioeconomic status^#
Khakbazan et al., 2007	Cross-Sectional	518	Occupation ^#
Khalaji Nia and Sadeghi Moghaddam, 2011	Cross-Sectional	400	Occupation ^#
Kamali Fard M, 2010	Case-Control	396	Occupation ^•
Kamali Fard M, 2010	Case-Control	396	Educational degree^•
Amini and Savaie, 2011	Case-Control	244	Occupation ^#

^•

A significant relationship between this variable and preterm delivery was found in this investigations

No significant relationship between this variable and preterm delivery was found in this investigations